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Finding the Fourth Proportional to 263.04, 363.03 and 158.17

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Solution

The fourth proportional to 263.04, 363.03 and 158.17 is: 218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.04 : 363.03 = 158.17 : x
  2. Step 2: Convert to fraction form
    263.04/363.03 = 158.17/x
  3. Step 3: Cross multiply
    263.04x = 363.03 × 158.17
  4. Step 4: Simplify right side
    263.04x = 57,420.46
  5. Step 5: Solve for x
    x = 57,420.46/263.04
  6. Step 6: Final answer
    x = 218.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.